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A variance detection (VD)-based impulse radio ultra-wideband (IR-UWB) system has the potential of mitigating narrowband interference (NBI), even in multipath environments. However, as a highly nonlinear system, which involves fourth-order multiplications, comprehensive analysis and evaluations of its performances have not been seen so far. In this paper, we address the issues by developing a log-normal...
In this paper, the bit-error rate (BER) performance of the differential code-shifted reference (DCSR) transceiver for impulse radio ultra-wideband (IR UWB) systems is analyzed theoretically and validated through computer simulations. Furthermore, a thorough comparison between the DCSR transceiver and the existing transceiver architectures, namely, the transmitted reference, the frequency-shifted reference,...
In this paper, the bit-error rate (BER) performance of the code-shifted reference (CSR) transceiver for impulse radio ultra-wideband (IR-UWB) systems is analyzed theoretically, and the validation of the theoretical analysis results are verified with computer simulations. Furthermore, by comparing the BER performance of the CSR, TR and FSR transceivers, this paper shows that as a low complexity transceiver...
In this paper, a differential code-shifted reference ultra-wideband (CSR UWB) transceiver has been proposed to reduce the power spent to transmit the reference pulse sequence so as to improve the bit-error rate performance of the systems. In the differential CSR UWB transceiver, by differentially encoding M information bits to be transmitted simultaneously, one data pulse sequence can be used as the...
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